docs: def get_random_xy_color(self):
          """Returns the approximate CIE 1931 x,y coordinates represented by the
          supplied hexColor parameter, or of a random color if the parameter
          is not passed."""
          r = self.color.random_rgb_value()
          g = self.color.random_rgb_value()
          b = self.color.random_rgb_value()
          return self.rgb_to_xy(r, g, b)